fiesta.properties.calc_number_density# fiesta.properties.calc_number_density(rho, unit=Unit('1 / cm3'))[source]# Calculates number density using \(n = \frac{\rho}{(1+4x_\mathrm{He})m_\mathrm{p}}\). Parameters: rho (Quantity) – Density \(\rho\). unit (Unit, optional) – Unit to output the result in. Default value is u.cm**-3. Returns: ndensity (Quantity) – Number density \(n\).
